# arithmetic mean

### noun Statistics.

the mean obtained by adding several quantities together and dividing the sum by the number of quantities: the arithmetic mean of 1, 5, 2, and 8 is 4.

## QUIZZES

#### QUIZ YOURSELF ON THESE WORDS FROM BROWN GIRL DREAMING!

Visualize yourself passing this quiz on words from Jacqueline Woodson’s exquisite verse novel “Brown Girl Dreaming,” and then take the quiz to prove you can do it! (Because you can.)
Question 1 of 10
What does “barren” mean?
Also called average.

## Origin of arithmetic mean

First recorded in 1790–1800

## Words nearby arithmetic mean

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

## British Dictionary definitions for arithmetic mean

arithmetic mean

### noun

an average value of a set of integers, terms, or quantities, expressed as their sum divided by their numberthe arithmetic mean of 3, 4, and 8 is 5 Often shortened to: mean Also called: average Compare geometric mean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Medical definitions for arithmetic mean

arithmetic mean
[ ə-rĭthmĭ-tĭk ]

### n.

The value obtained by calculating the sum of a set of quantities and then dividing that sum by the number of quantities in the set.average